import { CSSResultGroup, TemplateResult } from 'lit';
import { SbbElement } from '../core/base-elements.ts';
import { SbbRadioButtonSize } from './common/radio-button-common.ts';
declare const SbbRadioButtonElement_base: import('../core.ts').AbstractConstructor<import('./common/radio-button-common.ts').SbbRadioButtonCommonElementMixinType> & typeof SbbElement;
/**
 * It displays a radio button enhanced with the SBB Design.
 *
 * @slot - Use the unnamed slot to add content to the radio label.
 * @event {Event} change - The change event is fired when the user modifies the element's value. Unlike the input event, the change event is not necessarily fired for each alteration to an element's value.
 * @event {InputEvent} input - The input event fires when the value has been changed as a direct result of a user action.
 * @overrideType value - (T = string) | null
 */
export declare class SbbRadioButtonElement<T = string> extends SbbRadioButtonElement_base {
    static readonly elementName: string;
    static styles: CSSResultGroup;
    static readonly events: {
        readonly change: "change";
        readonly input: "input";
    };
    /**
     * Size variant, either xs, s or m.
     * @default 'm' / 'xs' (lean)
     */
    accessor size: SbbRadioButtonSize;
    /**
     * The value of the form element
     */
    accessor value: T | null;
    protected render(): TemplateResult;
}
declare global {
    interface HTMLElementTagNameMap {
        'sbb-radio-button': SbbRadioButtonElement;
    }
}
export {};
//# sourceMappingURL=radio-button.component.d.ts.map